<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	private $_id;
	private $_info;


	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate()
	{
		$record = Users::model()->findByAttributes(array(
			'email' => $this->username,
		));
		
		if( $record === null )
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		else if( $record->password !== md5($this->password) )
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
		else
		{
			$this->_id = $record->id;
			$this->_info = $record;
			$this->setPersistentStates($record);
			
			$this->errorCode=self::ERROR_NONE;
		}
		return !$this->errorCode;
	}
	
	public function getId()
	{
		return $this->_id;
	}
	
	public function getInfo()
	{
		return $this->_info;
	}
	
}